A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 1600 UTC on 23 August 2019

[ The Tracking News | ephemerides | cleared ]

Notes: The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both risk monitors also post a few special objects with impact solutions beyond 100 years. For the latest official risk assessments, and for explanations of terminology and methodology, see NASA/JPL Sentry and NEODyS CLOMON2.
0000NNN000

Object

Risk
Monitor
 A/CC  Noted 
 Time & Day 
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Latest Risk Assessments
2019 QTNEODyS1600 Aug. 23210412.42e-10-7.57-7.570Based on 13 optical observations (of which 0 are rejected as outliers) from 2019-08-19.424 to 2019-08-22.380.
An assessment posting was noted by A/CC on 23 Aug.   -   References: MPEC 2019-Q42
2019 QSNEODyS1600 Aug. 232090-211085.49e-07-5.97-6.220Based on 20 optical observations (of which 1 are rejected as outliers) from 2019-08-21.282 to 2019-08-23.022.
JPL Sentry0415 Aug. 232096-210537.13595e-07-5.85-6.000Computed at 20:00 Aug. 22nd Pacific time based on 19 observations spanning 1.7400 days (2019-Aug-21.28111 to 2019-Aug-23.02111). Diameter approximately 0.042 km. from weighted mean H=24.55.
Assessment postings were noted by A/CC on 23 Aug.   -   References: MPEC 2019-Q41
2019 QRNEODyS1600 Aug. 23206316.8e-09-8.87-8.870Based on 16 optical observations (of which 0 are rejected as outliers) from 2019-08-21.391 to 2019-08-22.943.
An assessment posting was noted by A/CC on 23 Aug.   -   References: MPEC 2019-Q40
2019 QFNEODyS1530 Aug. 222081-210883.09e-05-6.23-6.340Based on 14 optical observations (of which 1 are rejected as outliers) from 2019-08-21.239 to 2019-08-21.912.
JPL Sentry0350 Aug. 222081-2113102.223671e-05-6.39-6.750Computed at 19:30 Aug. 21st Pacific time based on 14 observations spanning .67294 days (2019-Aug-21.23858 to 2019-Aug-21.91152). Diameter approximately 0.008 km. from weighted mean H=28.14.
Assessment postings were noted by A/CC on 22 Aug.   -   References: MPEC 2019-Q32
2019 QENEODyS1530 Aug. 222110-211331.31e-06-7.29-7.330Based on 53 optical observations (of which 2 are rejected as outliers) from 2019-08-20.294 to 2019-08-21.967.
An assessment posting was noted by A/CC on 22 Aug.   -   References: MPEC 2019-Q31
2019 QDNEODyS1530 Aug. 22211224.1e-07-8.37-8.370Based on 20 optical observations (of which 0 are rejected as outliers) from 2019-08-21.242 to 2019-08-21.891.
JPL Sentry0350 Aug. 222112-211211.201e-07-8.89-8.890Computed at 19:29 Aug. 21st Pacific time based on 20 observations spanning .64919 days (2019-Aug-21.24143 to 2019-Aug-21.89062). Diameter approximately 0.006 km. from weighted mean H=28.76.
Assessment postings were noted by A/CC on 22 Aug.   -   References: MPEC 2019-Q30
2019 PO1JPL Sentry1600 Aug. 202058-2091134.7118715e-05-5.92-6.100Computed at 06:40 Aug. 20th Pacific time based on 25 observations spanning 10.723 days (2019-Aug-09.53131 to 2019-Aug-20.25469). Diameter approximately 0.009 km. from weighted mean H=27.85.
NEODyS1600 Aug. 202049-21181037.6e-05-5.84-6.50Based on 25 optical observations (of which 0 are rejected as outliers) from 2019-08-09.532 to 2019-08-20.255.
Assessment postings were noted by A/CC on 10 Aug., 11 Aug., 14 Aug., 19 Aug. & 20 Aug.   -   References: MPEC 2019-P76 plus DOUs 2019-P99, 2019-Q25 & 2019-Q26
2019 PGJPL Sentry1600 Aug. 202115-211518.362e-07-6.79-6.790Computed at 06:33 Aug. 20th Pacific time based on 21 observations spanning 16.009 days (2019-Aug-04.39459 to 2019-Aug-20.4033). Diameter approximately 0.026 km. from weighted mean H=25.59.
NEODyS1600 Aug. 202084-2117143.3e-06-6.16-6.560Based on 21 optical observations (of which 0 are rejected as outliers) from 2019-08-04.395 to 2019-08-20.404.
Assessment postings were noted by A/CC on 7 Aug., 12 Aug. & 20 Aug.   -   References: MPEC 2019-P45 plus DOUs 2019-P89 & 2019-Q26
2019 OF5JPL Sentry1801 Aug. 122049-205249.7665e-09-8.13-8.360Computed at 10:05 Aug. 12th Pacific time based on 6 observations spanning 2.0193 days (2019-Jul-26.281469 to 2019-Jul-28.30076). Diameter approximately 0.031 km. from weighted mean H=25.22.
An assessment posting was noted by A/CC on 12 Aug.   -   References: MPEC 2019-P91
2019 OV3JPL Sentry1534 Aug. 212110-211015.114e-08-7.08-7.080Computed at 06:14 Aug. 21st Pacific time based on 36 observations spanning 25.669 days (2019-Jul-26.532225 to 2019-Aug-21.2012). Diameter approximately 0.052 km. from weighted mean H=24.05.
NEODyS1534 Aug. 21211712.94e-10-9.38-9.380Based on 36 optical observations (of which 0 are rejected as outliers) from 2019-07-26.533 to 2019-08-21.202.
Assessment postings were noted by A/CC on 1 Aug., 5 Aug., 7 Aug., 12 Aug., 19 Aug., 20 Aug. & 21 Aug.   -   References: MPEC 2019-P10 plus DOUs 2019-P40, 2019-P44, 2019-P89, 2019-Q25, 2019-Q26 & 2019-Q29
2019 ODJPL Sentry2030 July 26R E M O V E DRisk listing removed at 1959 UTC July 26th
NEODyS1400 July 252092-211763.29e-06-4.84-4.920Based on 58 optical observations (of which 0 are rejected as outliers) from 2019-07-05.463 to 2019-07-24.314.
Assessment postings were noted by A/CC on 23 July, 24 July, 25 July & 26 July   -   References: DOUs 2019-O51, 2019-O53 & 2019-O64, radar: 26 July
2019 ND7NEODyS1530 Aug. 112092-2117445.7e-06-3.42-4.180Based on 34 optical observations (of which 0 are rejected as outliers) from 2019-07-07.588 to 2019-07-20.459.
JPL Sentry1700 Aug. 102097-2117203.176057e-06-3.67-4.380Computed at 08:11 Aug. 10th Pacific time based on 34 observations spanning 12.871 days (2019-Jul-07.587668 to 2019-Jul-20.458285). Diameter approximately 0.180 km. from weighted mean H=21.42.
Assessment postings were noted by A/CC on 4 Aug., 10 Aug. & 11 Aug.   -   References: DOUs 2019-P36 & 2019-P75
2019 NX5JPL Sentry1500 Aug. 132067-2115153.36174367e-05-6.76-6.870Computed at 06:29 Aug. 13th Pacific time based on 24 observations spanning 6.8081 days (2019-Jul-04.543054 to 2019-Jul-11.351181). Diameter approximately 0.005 km. from weighted mean H=29.12.
NEODyS1500 Aug. 132067-2118955.2e-05-6.60-7.30Based on 24 optical observations (of which 0 are rejected as outliers) from 2019-07-04.544 to 2019-07-11.352.
Assessment postings were noted by A/CC on 13 Aug.   -   References: DOU 2019-P96
2019 NW2JPL Sentry1500 Aug. 13R E M O V E DRisk listing removed at 1315 UTC Aug. 13th
NEODyS1500 Aug. 13208311.51e-07-7.82-7.820Based on 15 optical observations (of which 0 are rejected as outliers) from 2019-07-02.299 to 2019-08-12.596.
Assessment postings were noted by A/CC on 29 July & 13 Aug.   -   References: DOUs 2019-O103 & 2019-P96
2019 MT2NEODyS0017 July 282079-2110163.14e-06-6.44-7.010Based on 47 optical observations (of which 1 are rejected as outliers) from 2019-06-30.407 to 2019-07-07.248.
JPL Sentry2233 July 272079-2109104.95559e-06-6.24-6.640Computed at 14:48 July 27th Pacific time based on 44 observations spanning 6.8413 days (2019-Jun-30.40632 to 2019-Jul-07.247651). Diameter approximately 0.018 km. from weighted mean H=26.43.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 KJ4NEODyS0017 July 282059-21181828.62e-05-5.53-6.450Based on 30 optical observations (of which 1 are rejected as outliers) from 2019-05-31.320 to 2019-06-08.263.
JPL Sentry2233 July 272059-2118838.36306426e-05-5.48-6.270Computed at 15:19 July 27th Pacific time based on 29 observations spanning 7.9430 days (2019-May-31.318726 to 2019-Jun-08.261769). Diameter approximately 0.012 km. from weighted mean H=27.24.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 KTNEODyS0017 July 28211034.23e-07-7.39-7.670Based on 65 optical observations (of which 3 are rejected as outliers) from 2019-05-26.152 to 2019-05-27.396.
JPL Sentry2233 July 272110-211036.804e-07-7.18-7.460Computed at 14:52 July 27th Pacific time based on 62 observations spanning 1.2437 days (2019-May-26.15139 to 2019-May-27.395111). Diameter approximately 0.017 km. from weighted mean H=26.56.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 GK21NEODyS0017 July 282099-211662.27e-06-6.25-6.450Based on 76 optical observations (of which 1 are rejected as outliers) from 2019-04-14.154 to 2019-05-07.265.
JPL Sentry2233 July 272099-210321.2886e-06-6.47-6.530Computed at 15:00 July 27th Pacific time based on 75 observations spanning 23.111 days (2019-Apr-14.15324 to 2019-May-07.264472). Diameter approximately 0.026 km. from weighted mean H=25.61.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 GC6NEODyS0017 July 282080-2117121.06e-06-7.18-7.180Based on 100 optical observations (of which 0 are rejected as outliers) from 2019-03-31.335 to 2019-04-17.732.
JPL Sentry2233 July 272113-211314.954e-09-9.49-9.490Computed at 15:31 July 27th Pacific time based on 100 observations spanning 17.397 days (2019-Mar-31.33428 to 2019-Apr-17.731084). Diameter approximately 0.017 km. from weighted mean H=26.51.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 FENEODyS1530 Aug. 172095-211834.21e-06-5.28-5.320Based on 206 optical observations (of which 3 are rejected as outliers) from 2019-03-17.564 to 2019-05-10.499.
JPL Sentry1600 Aug. 162095-211834.9048e-06-5.20-5.240Computed at 06:03 Aug. 16th Pacific time based on 206 observations spanning 53.935 days (2019-Mar-17.563057 to 2019-May-10.498334). Diameter approximately 0.050 km. from weighted mean H=24.17.
Assessment postings were noted by A/CC on 16 Aug. & 17 Aug.   -   References: DOU 2019-Q06
2019 EDNEODyS0017 July 282099-210854.05e-08-8.79-8.980Based on 70 optical observations (of which 0 are rejected as outliers) from 2019-03-01.196 to 2019-03-17.245.
An assessment posting was noted by A/CC on 28 July   -   References: DOU 2019-O75
2018 VC7NEODyS0017 July 282049-2117755.39e-05-5.73-6.160Based on 28 optical observations (of which 0 are rejected as outliers) from 2018-11-10.546 to 2018-11-11.300.
JPL Sentry2233 July 272068-2117253.2159068e-06-7.06-7.820Computed at 15:03 July 27th Pacific time based on 28 observations spanning .75408 days (2018-Nov-10.545502 to 2018-Nov-11.29958). Diameter approximately 0.011 km. from weighted mean H=27.42.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2018 VS6NEODyS0017 July 282083-2118481.23e-04-4.97-5.120Based on 92 optical observations (of which 0 are rejected as outliers) from 2018-11-09.545 to 2018-11-19.417.
JPL Sentry2233 July 272083-2118185.746941e-05-5.30-5.470Computed at 14:56 July 27th Pacific time based on 92 observations spanning 9.8715 days (2018-Nov-09.544497 to 2018-Nov-19.41595). Diameter approximately 0.014 km. from weighted mean H=26.92.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2018 PZ21NEODyS2200 Aug. 172045-2118332.09e-05-5.67-5.780Based on 19 optical observations (of which 0 are rejected as outliers) from 2018-08-11.140 to 2018-09-05.346.
JPL Sentry1530 Aug. 172045-2119183.8340258e-05-5.38-5.450Computed at 06:21 Aug. 17th Pacific time based on 19 observations spanning 25.206 days (2018-Aug-11.13921 to 2018-Sep-05.345076). Diameter approximately 0.016 km. from weighted mean H=26.67.
Assessment postings were noted by A/CC on 17 Aug.   -   References: DOU 2019-Q21
2018 BL11NEODyS2030 Aug. 12093-2118387.14e-05-5.99-6.340Based on 23 optical observations (of which 0 are rejected as outliers) from 2018-01-22.551 to 2018-01-25.427.
JPL Sentry2030 Aug. 12102-2119248.83025763e-05-5.87-6.100Computed at 06:31 Aug. 1st Pacific time based on 23 observations spanning 2.8761 days (2018-Jan-22.550332 to 2018-Jan-25.42644). Diameter approximately 0.008 km. from weighted mean H=28.24.
Assessment postings were noted by A/CC on 1 Aug.   -   References: DOU 2019-P17
2017 UQ6JPL Sentry1534 Aug. 212090-209011.840e-07-8.14-8.140Computed at 06:10 Aug. 21st Pacific time based on 26 observations spanning 19.013 days (2017-Oct-25.20517 to 2017-Nov-13.21774). Diameter approximately 0.013 km. from weighted mean H=27.12.
NEODyS1534 Aug. 212035-2112102.81e-07-7.93-8.290Based on 26 optical observations (of which 0 are rejected as outliers) from 2017-10-25.206 to 2017-11-13.219.
Assessment postings were noted by A/CC on 21 Aug.   -   References: DOU 2019-Q29
2017 SE33NEODyS1530 Aug. 17206912.07e-07-8.11-8.110Based on 11 optical observations (of which 1 are rejected as outliers) from 2017-09-20.066 to 2017-09-27.626.
JPL Sentry2030 Aug. 1R E M O V E DRisk listing removed at 1327 UTC Aug. 1st
Assessment postings were noted by A/CC on 1 Aug. & 17 Aug.   -   References: DOUs 2019-P17 & 2019-Q06
2016 WJ1NEODyS2310 Aug. 62106-211576.04e-07-4.65-5.340Based on 407 optical observations (of which 3 are rejected as outliers) from 2003-07-04.606 to 2017-07-31.349.
An assessment posting was noted by A/CC on 6 Aug.   -   References: no recent MPECs
2016 JO38NEODyS2030 Aug. 1211214.58e-08-7.51-7.510Based on 17 optical observations (of which 0 are rejected as outliers) from 2016-04-27.284 to 2016-05-04.262.
JPL Sentry2030 Aug. 1R E M O V E DRisk listing removed at 1943 UTC Aug. 1st
Assessment postings were noted by A/CC on 1 Aug.   -   References: DOU 2019-P17
2015 ME131JPL Sentry1600 Aug. 202020-2089983.20093e-08-3.90-4.720Computed at 11:21 April 8th of 2017 Pacific time based on 6 observations spanning 1.8406 days (2015-Jun-23.58462 to 2015-Jun-25.42522). Diameter approximately 0.499 km. from weighted mean H=19.16.
An assessment posting was noted by A/CC on 20 Aug.   -   References: no recent MPECs
2008 DBJPL Sentry1630 Aug. 19R E M O V E DRisk listing removed at 1323 UTC Aug. 19th
NEODyS1630 Aug. 19211016.75e-10-9.95-9.950Based on 72 optical observations (of which 2 are rejected as outliers) from 2008-02-18.243 to 2019-08-18.261.
Assessment postings were noted by A/CC on 19 Aug.   -   References: MPEC 2019-Q24
C   L   E   A   R   E   D
2019 OE4JPL Sentry1500 Aug. 5R E M O V E DRisk listing removed at 1346 UTC Aug. 5th
NEODyS2331 Aug. 3R E M O V E D
Assessment postings were noted by A/CC on 1 Aug., 3 Aug. & 5 Aug.   -   References: MPEC 2019-P15 plus DOUs 2019-P35 & 2019-P40
2019 OU3JPL Sentry1530 Aug. 12R E M O V E DRisk listing removed at 1302 UTC Aug. 12th
NEODyS1530 Aug. 12R E M O V E D
Assessment postings were noted by A/CC on 1 Aug., 5 Aug., 7 Aug. & 12 Aug.   -   References: MPEC 2019-P09 plus DOUs 2019-P40, 2019-P44, 2019-P89, 2019-Q26 & 2019-Q43
2019 OR1JPL Sentry1530 Aug. 12R E M O V E DRisk listing removed at 1309 UTC Aug. 12th
NEODyS1530 Aug. 12R E M O V E D
Assessment postings were noted by A/CC on 29 July, 31 July, 1 Aug. & 12 Aug.   -   References: MPEC 2019-O108 plus DOUs 2019-O139, 2019-P17 & 2019-P89
2019 NA7NEODyS1410 July 30R E M O V E D
An assessment posting was noted by A/CC on 30 July   -   References: DOUs 2019-O120 & 2019-O139
2019 LR4JPL Sentry1530 Aug. 14R E M O V E DRisk listing removed at 1302 UTC Aug. 14th
NEODyS1530 Aug. 14R E M O V E D
Assessment postings were noted by A/CC on 14 Aug.   -   References: DOU 2019-P99
2016 JP38NEODyS2030 Aug. 1R E M O V E D
An assessment posting was noted by A/CC on 1 Aug.   -   References: DOU 2019-P17
2012 DW60JPL Sentry2148 July 28R E M O V E DRisk listing removed at 2102 UTC July 28th
NEODyS2145 July 28R E M O V E D
Assessment postings were noted by A/CC on 28 July   -   References: MPEC 2019-O85
2006 QV89NEODyS1530 Aug. 12R E M O V E D
JPL Sentry2358 Aug. 11R E M O V E DRisk listing removed at 2349 UTC Aug. 11th
Assessment postings were noted by A/CC on 11 Aug. & 12 Aug.   -   References: MPEC 2019-P85 plus DOU 2019-P89

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

For a list of risk-rated objects currently under observation, see our ephemerides page.

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" for more information.


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